标题: 求助OG13 几道题目， SC25 之前的那个帖子集合的出错了。 [打印本页] 作者: torresAing 时间: 2012-9-4 23:20 标题: 求助OG13 几道题目， SC25 之前的那个帖子集合的出错了。 25，Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are now drawing solid conclusions about how the human brain grows and how babies acquire language., (A) Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are (B) Neuroscientists, having amassed a wealth of knowledge about the brain and its development from birth to adulthood over the past twenty years, and are (C) Neuroscientists amassing a wealth of knowledge about the brain and its development from birth to adulthood over the past twenty years, and are (D) Neuroscientists have amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, (E) Neuroscientists have amassed, over the past twenty years, a wealth of knowledge about the brain and its development from birth to adulthood, 1，OG 解释D，说道有this sentence attempts to attach a present-tense descriptor to a present-perfect clause； 这句话什么意思？ 2，A中having amassed在这里做什么成分？伴随还是 还是结果状语啊？涉及到V-ing 结构吧。作者: DUKB24 时间: 2012-9-4 23:42
详见这份资料对21题的解释作者: majormingzhao 时间: 2012-9-5 13:40
惨了,写在原来帖子里了= =作者: brandy4holland 时间: 2012-9-15 14:19
同问，我选了E，为什么不能说have done..., now doing.....呀～作者: torresAing 时间: 2012-9-23 16:10